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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1680974Generated: October 29, 2026

Ammonia → 3,4-Difluorobenzene-1-carboximidamide--hydrogen chloride (1/1)

https://huagongshe.com/reaction/1680974

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantHydrochloric AcidHCID 313—
Reactant3,4-DifluorobenzonitrileHCID 587203—
SolventEthanolHCID 702—
SolventMethanolHCID 887—
Product3,4-Difluorobenzene-1-carboximidamide--hydrogen chloride (1/1)HCID 19807851—

Reaction Steps

3,4-difluorobenzonitrile (4) is reacted with dried HCl gas in anhydrous methanol, followed by reacting the resulting crystals with dried ammonia gas in anhydrous ethanol to obtain 3,4-difluorobenzamidine hydrochloride (5).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05167858
Source datasetuspto-grants-1992_12
ORD IDord-4d88536cab404acf9521d1b58e31f1b6
Source noteuspto-grants-1992_12